Old World: Wheat, Rice, Cattle, Sheep, Pigs, Horses, Coffee Beans, Citrus Fruits, Bananas, Grapes, Sugarcane, Honeybees, Smallpox, Influenza, & Measles, New World: Corn, Tomatoes, Potatoes, Peanuts, Turkeys, Pumpkins, Squash, Pineapple, Sweet Potatoes, Beans, Vanilla, Cacao, Tobacco,

Columbian Exchange

由
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？